Create PuTTY.gitignore

**Reasons for making this change:**

PuTTYgen is a widely used alternative to OpenSSH under Windows.
This rule allows private keys ignoring.

If this is a new template:

 - **Link to application or project’s homepage**: https://www.chiark.greenend.org.uk/~sgtatham/putty/

diff --git a/Global/PuTTY.gitignore b/Global/PuTTY.gitignore
new file mode 100644 (file)
index 0000000..c37466b
--- /dev/null
+++ b/Global/PuTTY.gitignore
@@ -0,0 +1,2 @@
+# Private key
+*.ppk